79 lines
2.7 KiB
HTML
79 lines
2.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Test form restoration for no-store pages</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
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<script>
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// The number of entries which we keep in the BFCache (see nsSHistory.h).
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const VIEWER_WINDOW = 3;
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SimpleTest.waitForExplicitFinish();
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async function runTest() {
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let bc = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bug1741132");
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// Setting the pref to 0 should evict all content viewers.
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let load = SpecialPowers.pushPrefEnv({
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set: [["browser.sessionhistory.max_total_viewers", 0]],
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}).then(() => {
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// Set the pref to VIEWER_WINDOW + 2 now, to be sure we
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// could fit all entries.
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SpecialPowers.pushPrefEnv({
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set: [["browser.sessionhistory.max_total_viewers", VIEWER_WINDOW + 2]],
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});
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}).then(() => {
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return new Promise(resolve => {
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bc.addEventListener("message", resolve, { once: true });
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window.open("file_bug1741132.html", "", "noopener");
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});
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});
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// We want to try to keep one entry too many in the BFCache,
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// so we ensure that there's at least VIEWER_WINDOW + 2
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// entries in session history (with one for the displayed
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// page).
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for (let i = 0; i < VIEWER_WINDOW + 2; ++i) {
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load = load.then(() => {
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return new Promise((resolve) => {
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bc.addEventListener("message", resolve, { once: true });
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bc.postMessage({ cmd: "load", arg: `file_bug1741132.html?${i}` });
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});
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});
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}
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load.then(() => {
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return new Promise((resolve) => {
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bc.addEventListener("message", ({ data: persisted }) => {
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resolve(persisted);
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}, { once: true });
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// Go back past the first entry that should be in the BFCache.
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bc.postMessage({ cmd: "go", arg: -(VIEWER_WINDOW + 1) });
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});
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}).then((persisted) => {
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ok(!persisted, "Only 3 pages should be kept in the BFCache");
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}).then(() => {
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return new Promise((resolve) => {
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bc.addEventListener("message", ({ data: persisted }) => {
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resolve(persisted);
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}, { once: true });
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// Go forward to the first entry that should be in the BFCache.
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bc.postMessage({ cmd: "go", arg: 1 });
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});
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}).then((persisted) => {
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ok(persisted, "3 pages should be kept in the BFCache");
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bc.postMessage("close");
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bc.close();
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SimpleTest.finish();
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});
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}
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</script>
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</head>
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<body onload="runTest();">
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test"></pre>
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</body>
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</html>
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